/// <summary>
/// Makes an artist collection using the ArrayList of artist IDs
/// </summary>
/// <param name="asc">True for ascending</param>
/// <returns></returns>
private ArtistCollection GetArtistCollection(bool asc)
{
ArtistCollection ac = new ArtistCollection(false);
ac.CreateFromArrayList(SessionHandler.GetUsersSession(SessionHandler.Artist));
ac.SortByName(asc);
return(ac);
}